Home / 3,690,668.20-5,536,002.30-3,640,901.80

Finding the Fourth Proportional to 3,690,668.20, 5,536,002.30 and 3,640,901.80

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Solution

The fourth proportional to 3,690,668.20, 5,536,002.30 and 3,640,901.80 is: 5,461,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,668.20 : 5,536,002.30 = 3,640,901.80 : x
  2. Step 2: Convert to fraction form
    3,690,668.20/5,536,002.30 = 3,640,901.80/x
  3. Step 3: Cross multiply
    3,690,668.20x = 5,536,002.30 × 3,640,901.80
  4. Step 4: Simplify right side
    3,690,668.20x = 20,156,040,738,874.14
  5. Step 5: Solve for x
    x = 20,156,040,738,874.14/3,690,668.20
  6. Step 6: Final answer
    x = 5,461,352.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.